<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <div class="container">
        <input type="button" value="点击灰色" onclick="colorWE()">
        <input type="button" value="点击蓝色" onclick="colorQW()">
        <input type="button" value="点击紫色" onclick="colorER()">
    </div>
    
    
    
    <script src="js/script.js"></script>
</body>
</html>